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Questions tagged [wso2-cep]

251 questions
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WSO2 CEP: Can we have if-else conditional statements in execution plans?

Can we have conditional statements like below in wso2 cep execution plan. from stream1 select distinct attr1 insert into newStream1; from stream2 select distinct attr2 insert into newStream2; if count(attr1) == count(attr2) then -- do…
Anshul Gupta
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WSO2 CEP doesn't logging input events

I want to check how long is my event processing in CEP (v.3.1.0). I change org.wso2.carbon.event.input.adaptor.jms.internal.util.JMSMessageListener to DEBUG/TRACE level and the same with…
Kacu
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log monitor and alert using WSO2 BAM and CEP

We want to push legency system's log to BAM, and to send email to administrator if an exception occurs. Data publisher helps a lot, but I don't know about CEP. How can I manage the email sent real time?
wiwengweng
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About Writing a Custom OutputAttributeProcessor

I have some questions about writing a custom OutputAttributeProcessor. I use WSO2 CEP 2.1.0 and siddhi 1.1.0. I want to create a custom OutputAttributeProcessor, so I create two java classes, TestFactory implements OutputAttributeProcessorFactory…
user2743651
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Deployment of CEP Bucket and BAM Hive scripts to multiple nodes

Can we store CEP bucket under governance registry and access from multiple other CEP nodes? Can we store BAM Hive scripts under governance registry and access from multiple other BAM nodes?
Madhup Srivastava
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How should i proceed to achieve persistence with ESPER(with WSO2) in case of failover without using ESPERHA?

I am using WSO2 CEP-Server with esper as backEND-Runtime.WSO2 has provided persistence with siddhi(backEnd-runtime) using cassandra.I need to implement persistence with ESPER-CEP engine. Any thought would be appreciated.
sumit chauhan
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Is it possible to display data in WSO2 BAM which is analysed by WSO2 CEP?

I have data analysed using CEP which I want to display in BAM. I am using KPI analyzer sample Is it possible to display in BAM? If yes, how should I proceed?
madhurika
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WSO2 DataPublisher

We have a 2 node WSO2 CEP cluster. We wanted to send events via thrift to the CEP cluster. We are using Wso2 databridge - DataPublisher on the client side. While we are able to send events over thrift to one CEP, but not sure how can we send events…
Rajiv Patil
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Distributed WSO2 CEP

If I have a distributed CEP setup with a JMS broker as the primary input. Now if we tell our client application to send event to Topic X, the events will be distributed to each node in the CEP cluster, as each one will be listening on same Topic…
Rajiv Patil
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cluster configuration for load balancing - WSO2 BAM/CEP

How WSO2 CEP or BAM can be load balanced ? What configuration changes required to make it in clustered mode (active-active). How publisher can send events over Thrift to this clustered server, please provide example.
Madhup Srivastava
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WSO2 CEP Multiple rows in resultset

I wanted to know if the WSO2 CEP/Siddhi query supports returning multiple rows if yes how data from those rows can be mapped to the output XML ? e.g. my event stream has a field statusCode which can have values A/B/C I wanted to write a query which…
Rajiv Patil
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WSO2 CEP bucket creation error

I was trying to execute the sample Access Analysis from the WSO CEP samples. After I created the bucket same as given in the sample I received an error and it doesn't created the bucket. Can any one help what is the problem? Error log: [2012-12-13…
sarax
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WSO2 CEP vs BAM

I am trying to understand the whole WSO2 SOA topology, but not able to understand how the CEP and BAM fit together Can CEP provide visual monitoring of processed events e.g. integration with WSO2 GS Although WSO2 website says CEP is tightly…
Rajiv Patil
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Siddhi complex event processing using logical AND

I am using SiddhiQL for complex event processing. My use case is to check whether two events of a particular type with certain filters occur within 15 mins. Like for example - If event1[filter 1] and event2[filter 2] within 15 mins Insert into…
Vishal Gaikwad
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WSO2: MQTT input event adapter is not listening

I am using WSO2 CEP 4.2.0 and have created MQTT input event adapter. I have also created the receiver which will receive the data from a external topic and then using streams, I am adding some logics and then same message will be published using…
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